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13C Hyperpolarization of Viscous Liquids by Transfer of Solid-Effect 1H Dynamic Nuclear Polarization at High Magnetic Field Научная публикация

Журнал Journal of Physical Chemistry Letters
ISSN: 1948-7185
Вых. Данные Год: 2023, Том: 14, Номер: 31, Страницы: 7059-7064 Страниц : 6 DOI: 10.1021/acs.jpclett.3c01732
Ключевые слова Liquids, Magnetic properties, Nuclear spin, Polarization, Quantum mechanics
Авторы Dai Danhua 1 , Denysenkov Vasyl 1 , Bagryanskaya Elena G. 2 , Tormyshev Victor M. 2 , Prisner Thomas F. 1 , Kuzhelev Andrei A. 1
Организации
1 Goethe University Frankfurt
2 N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry of Siberian Branch of Russian Academy of Sciences

Реферат: Dynamic nuclear polarization (DNP) is routinely used as a method for increasing the sensitivity to nuclear magnetic resonance (NMR). Recently, high-field solid-effect DNP in viscous liquids on 1H nuclei was demonstrated using narrow-line polarizing agents. Here we expand the applicability of DNP in viscous media to 13C nuclei. To hyperpolarize 13C nuclei, we combined solid-effect 1H DNP with a subsequent transfer of the 1H polarization to 13C via insensitive nuclei enhanced by polarization transfer (INEPT). We demonstrate this approach using a triarylmethyl radical as a polarizing agent and glycerol-13C3 as an analyte. We achieved 13C enhancement factors of up to 45 at a magnetic field of 9.4 T and room temperature.
Библиографическая ссылка: Dai D. , Denysenkov V. , Bagryanskaya E.G. , Tormyshev V.M. , Prisner T.F. , Kuzhelev A.A.
13C Hyperpolarization of Viscous Liquids by Transfer of Solid-Effect 1H Dynamic Nuclear Polarization at High Magnetic Field
Journal of Physical Chemistry Letters. 2023. V.14. N31. P.7059-7064. DOI: 10.1021/acs.jpclett.3c01732 WOS Scopus РИНЦ OpenAlex
Даты:
Поступила в редакцию: 25 июн. 2023 г.
Принята к публикации: 28 июл. 2023 г.
Опубликована в печати: 1 авг. 2023 г.
Опубликована online: 10 авг. 2023 г.
Идентификаторы БД:
Web of science: WOS:001039025100001
Scopus: 2-s2.0-85167798269
РИНЦ: 63600483
OpenAlex: W4385442600
Цитирование в БД:
БД Цитирований
OpenAlex 2
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